Cognitive decline is consistently associated with diminished life satisfaction and inability to live independently. Identifying early, novel markers of cognitive decline is imperative for improving clinical detection and promoting long-term quality of life. Fatigability, one’s perceived exertion after a standardized walking task, has been associated with declines in physical function; however, it remains unclear as to whether these effects may also extend to cognitive function.

中文翻译：

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老年人可感知的疲劳性与认知功能之间的纵向关联：巴尔的摩老龄化纵向研究的结果。

认知能力下降与生活满意度降低和无法独立生活始终相关。早期识别认知下降的新标记对于改善临床检测和改善长期生活质量至关重要。可疲劳性是人们在标准的步行任务后感觉到的劳累，与身体机能下降有关。然而，这些作用是否也可能扩展到认知功能尚不清楚。